the sides being connected to extensions of other sides by tongue-and-slot connections

Patents Grantslast 30 patents

  • Information Patent Grant

    Locking structure, container utilizing locking structure, and conta...

    • Patent number 10,301,058
    • Issue date May 28, 2019
    • Rengo Co., Ltd.
    • Takafumi Makiuchi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2702153

    • Patent number 2,702,153
    • Issue date Feb 15, 1955
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2319371

    • Patent number 2,319,371
    • Issue date May 18, 1943
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2171051

    • Patent number 2,171,051
    • Issue date Aug 29, 1939
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    1755722

    • Patent number 1,755,722
    • Issue date Apr 22, 1930
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Butterfly 3

    • Publication number 20230406565
    • Publication date Dec 21, 2023
    • Butler Brands, LLC
    • Julie Tanner Butler
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL